NEET Biology MCQ - Neet Botany Mineral Nutrition Mcq - Quiz-4 Solution

Q.1.

Salt respiration is ... .... [ JKCMEE 2002]

33%
a) Linking of ion movement with respiratory chain
33%
b) Active increase in respiration during mineral absorption
0%
c) Decrease in respiration during salt absorption
33%
d) Secretion of salt through respiratory channels

Explanation

Q.2.

Number of essential nutrients needed by plants is ... ... [ JIPMER 2004]

0%
a) 5
67%
b) 8
33%
c) 16
0%
d) 4

Explanation

Q.3.

Premature leaf fall is due to deficiency of ... .... [ AFMC 1997]

20%
a) Potassium
20%
b) Sodium
60%
c) Phosphorous
0%
d) Zinc

Explanation

Q.4.

Following list includes in nitrogen metabolism. Find out correct sequence of enzyme with respect to their functions a) Nitrate reductase b) Nitrogenase c) Nitrite reductase d) Reductive aminase e) Transaminase

0%
a) 2, 5, 4, 1, 3
50%
b) 2, 4, 5, 3, 1
50%
c) 2, 1, 3, 4, 5
0%
d) 2, 1, 3, 5, 4

Explanation

Q.5.

Element responsible for maintaining turgor is ... .... [ BHU 1996]

67%
a) K
33%
b) Na
0%
c) Ca
0%
d) Hg

Explanation

Q.6.

Which of the following does not operate in the carrier concept of active absorption of minerals?

0%
a) Electron transport
33%
b) Contractile protein
33%
c) Protein lecithin
33%
d) Ascending water stream

Explanation

Q.7.

Mineral absorption occurs ... .... [ AFMC 1993]

33%
a) If soil solution is hypotonic
0%
b) If soil solution is hypertonic
33%
c) Independent of water potential
33%
d) Independent of water absorption

Explanation

Q.8.

Which one is required in higher amounts ... ... [ Har PMT 2004]

33%
a) Ca2+
0%
b) Mg2+
33%
c) K+
33%
d) Na+

Explanation

Q.9.

On the basis of symptoms of chlorosis in leaves a student inferred that this was due to deficiency of nitrogen. This inference could be correct only if we assume that yellowing of leaves appeared first in ... ...... [ AIIMS 2007]

50%
a) Old leaves
0%
b) Young leaves
50%
c) Young leaves followed by mature leaves
0%
d) Mature leaves followed by young leaves

Explanation

Q.10.

Plasma membrane does not have carrier molecules for ... ...[ WB 2008]

0%
a) Active transport
0%
b) Simple diffusion
67%
c) Facilitated diffusion
33%
d) Na+ - K+ pump

Explanation

Q.11.

Nitrogen fixing bacterium is ... .... [BHU 2002]

67%
a) Frankia
33%
b) Acetobacter
0%
c) Mycoplasma
0%
d) Chlamydia

Explanation

Q.12.

Appearance of brown spots surrounded by chlorotic veins is a toxicity symptom of ... ... [ AMU 2009]

50%
a) Mo
50%
b) Mn
0%
c) Mg
0%
d) Zn

Explanation

Q.13.

Plants use Zinc as ... .... [ CBSE 2000 ]

0%
a) Zn
100%
b) Zn2+
0%
c) ZnSO4
0%
d) Zn(NO3)2

Explanation

Q.14.

Which of the following shows importance of mineral ion found in middle lamella of plant cells .... .... [ Guj CET 2010]

100%
a) Associated with the formation of bipolar spindle during cell division
0%
b) Essential for splitting of water during photosynthesis
0%
c) Required for absorption and utilisation of calcium
0%
d) Maintenance of ribosomal constituents

Explanation

Q.15.

Sulphur is absorbed by plants as ... ..... [ Har PMT

50%
a) SO3 from soil
0%
b) SO2 from air
0%
c) SO4 from soil
50%
d) Both b and and c

Explanation

Q.16.

Chlorosis occurs when plants are grown in ... .... [ Manipur 2006]

0%
a) Shade
50%
b) Strong sunlight
50%
c) Fe-free medium
0%
d) Dark

Explanation

Q.17.

Major role of phosphorus in plant metabolism is ... .... [ AMU 1998]

0%
a) O2 - evolution during photosynthesis
0%
b) CO2 - evolution during respiration
50%
c) Create anaerobic conditions
50%
d) Generate metabolic energy

Explanation

Q.18.

Grey spots of Oat are caused by deficiency of ... ...[ CBSE 2003]

0%
a) Cu
50%
b) Zn
0%
c) Mn
50%
d) Fe

Explanation

Q.19.

Which of the following is a micronutrient .... .... [ BHU 1991]

100%
a) Mg
0%
b) Ca
0%
c) Mn/Mo/Cu
0%
d) P

Explanation

Q.20.

An anaerobic bacterium capable of nitrogen fixation is ... .... [Odisha 2007]

0%
a) Chlorobium
50%
b) Rhodospirillum
0%
c) Clostridium
50%
d) All of the above

Explanation

Q.21.

Match the column ... ..... [ Har PMT 2002 ]

a) N	i) Coppery texture of leaf
b) Mg	ii) Premature leaf fall
c) Bo	iii) Interveinal chlorosis
d) P	iv) Mottled chlorosis and necrosis

0%
a) a - iv, b - i, c - ii, d - iii
0%
b) a - i, b - ii, c - iii, d - iv
100%
c) a - iv, b - iii, c - i, d - ii
0%
d) a - iv, b - ii, c - i, d - iii

Explanation

Q.22.

Which is wrong ... .... [ CBSE 2012]

0%
a) Anabaena and Nostoc are capable of fixing nitrogen in free state
0%
b) Root nodule forming nitrogen fixers live as aerobes under free living state
50%
c) Phosphorous is constituent of cell membranes, certain nucleic acids and all proteins
50%
d) Nitrosomonas and Nitrobacter are chemoautotrophs

Explanation

Q.23.

Movement of minerals in plant root through diffusion is ... ... [ CET Chd 1997]

0%
a) Endosmosis
0%
b) Osmosis
50%
c) Active absorption
50%
d) Passive absorption

Explanation

Q.24.

Element essential for uptake and utilization of Ca2+ and membrane function is ... ... [ kerala 2007]

50%
a) Boron
50%
b) Copper
0%
c) Manganese
0%
d) Molybdenum

Explanation

Q.25.

Molybdenum is involved in plant metabolism in ... ...[ EAMCET 1996]

50%
a) Translocation solutes
50%
b) Nitrate reduction
0%
c) Tryptophane synthesis
0%
d) Ascorbic acid synthesis

Explanation

Q.26.

match the components of columns .... .... [ Guj CET 2010]

Mineral	Deficiency Symptoms	Importance
a) Potassium	i)Leaves turn dark green	I)Regulation of stomatal pore
b) Sulphur	ii) Accumulation of purple pigment	II) Constituent of Chlorophyll
c) Magnesium	iii) Wilting and dropping of leaves	III) Required for activity of oxidoreductase
d) Copper	iv) Old leaves start to die	IV) Essential for carboxylase
- - - -	v) Shortening of inter-node	V) It is constituent of thiamine

0%
a) a-v-II, b-ii-V, c-iii-IV, d-vi-III
100%
b) a-v-I, b-ii-V, c-ii-II, d-iii-III
0%
c) c-iv-IV, b-iii-I, c-ii-V, d-v-V
0%
d) a-iv-II, b-v-I, c-i-V, d-iii-IV

Explanation

Q.27.

Which one is an essential mineral, not constituent of any enzyme but stimulates the activity of many enzymes ... ..... [ JIPMER 2000 ]

0%
a) Zn
0%
b) Mn
100%
c) K
0%
d) Mg

Explanation

Q.28.

Plants deficient in zinc, show reduced biosynthesis of growth hormone ... .... [ CBSE 2003]

0%
a) Cytokinin
100%
b) Auxin
0%
c) Ethylene
0%
d) Abscisic acid

Explanation

Q.29.

Which of the following is a micronutrient ... ... [ JKCMEE 2011]

0%
a) Mg
100%
b) Zn
0%
c) Ca
0%
d) P

Explanation

Q.30.

Nitrogen fixing symbiotic bacteria present in a legume root is .... .... [ Bih PMT 2006]

50%
a) Azotobacter
50%
b) Rhizobium
0%
c) Nitrobacter
0%
d) Nitrosomonas

Explanation

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